# SDR UIEA2021020100185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2021
- Submitted: February 12, 2021
- Operation: Air carrier
- Aircraft: [N412MC](https://openairdocs.org/aircraft/N412MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30559
- Aircraft time: 8,385,923 hours, 13,615 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Delaminated
- Location: Lt Wing Te Flap
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021020100185

## Discrepancy

LHW I/B AFT FLAP MID LOWER SURFACE FOUND DELAMINATION.(<P>LHW I/B AFT FLAP LOWER SURFACE 160" FROM O/B EDGE DELAMIATION AREA PERFORMED REPAIR AS PER SRM 51-70-07 PAR 5A AND DETAIL REFER 'HX' PROCESS CARD CONTROL SEQUENCE NO: XJN504726-01.</P>)

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